七个“是的”证明了为什么过程改进是困难的，并且经常需要外部催化剂 —— 拥有内嵌的步步为营地积极变更的可靠性和过程经验。

The seven "Yes's" speak to why process improvements are difficult, and often require an outside catalyst -- one with built-in credibility and process experience for bootstrapping positive change.

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人造叶子实际上是两边分别胶合了不同材料的催化剂的硅太阳能电池，因此不需要外部导线或者控制电路来操控。

The artificial leaf — a silicon solar cell with different catalytic materials bonded onto its two sides — needs no external wires or control circuits to operate.

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所有药材的催化剂，停止出血内部或外部机构，流通，心脏与半边莲，使用神经，用作一种兴奋剂，减少发热，炎症，愈合溃疡，停止冲击。

Catalyst for all herbs, stops bleeding inside or outside body, circulation; heart, use with Lobelia for nerves, use as a stimulant, reduces fevers, inflammation, heals ulcerations, stops shock.

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